"""
1*1 = 1
1*2 =2 2*2 =4
1*3 =3 2*3 5 3*3 9
"""
row = 1
while row <= 9:
    col = 1
    while col <= row:
        # print("%d * %d = %d "% (col, row, col * row), end="")
        print("%d * %d = %d "% (col, row, col * row), end="\t")
        col += 1
    # print("第%d行" % row)
    print("")
    row += 1
